Evaluation of two Software Tools dedicated to an Automatic Analysis of the CT Scanner Image Spatial Resolution
An evaluation of two software tools dedicated to an automatic analysis of the CT scanner image spatial resolution is presented in this paper. The methods evaluated consist of calculating the modulation transfer function (MTF) of the CT scanners; the first uses an image of an impulse source, while th...
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| Veröffentlicht in: | 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society 2007-01, Vol.2007, p.3910-3913 |
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| container_title | 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society |
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| creator | Torfeh, T. Beaumont, S. Guedon, J.-P. Denis, E. |
| description | An evaluation of two software tools dedicated to an automatic analysis of the CT scanner image spatial resolution is presented in this paper. The methods evaluated consist of calculating the modulation transfer function (MTF) of the CT scanners; the first uses an image of an impulse source, while the second method proposed by Droege and Morin uses an image of cyclic bar patterns. Two digital test objects (DTO) are created to this purpose. These DTOs are then blurred by doing a convolution with a two-dimensional Gaussian point spread function (PSF Ref ), which has a well known full width at half maximum (FWHM). The evaluation process consists then of comparing the Fourier transform of the PSF on the one hand, and the two mentioned methods on the other hand. |
| doi_str_mv | 10.1109/IEMBS.2007.4353188 |
| format | Article |
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The methods evaluated consist of calculating the modulation transfer function (MTF) of the CT scanners; the first uses an image of an impulse source, while the second method proposed by Droege and Morin uses an image of cyclic bar patterns. Two digital test objects (DTO) are created to this purpose. These DTOs are then blurred by doing a convolution with a two-dimensional Gaussian point spread function (PSF Ref ), which has a well known full width at half maximum (FWHM). The evaluation process consists then of comparing the Fourier transform of the PSF on the one hand, and the two mentioned methods on the other hand.</description><subject>Automatic control</subject><subject>Computed tomography</subject><subject>Computer Science</subject><subject>Engineering Sciences</subject><subject>Fourier transforms</subject><subject>Image analysis</subject><subject>Image Processing, Computer-Assisted - methods</subject><subject>Image quality</subject><subject>Signal and Image processing</subject><subject>Software</subject><subject>Software quality</subject><subject>Software tools</subject><subject>Spatial resolution</subject><subject>Testing</subject><subject>Tomography, X-Ray Computed - methods</subject><subject>Transfer functions</subject><issn>1094-687X</issn><issn>1557-170X</issn><issn>1558-4615</issn><isbn>9781424407873</isbn><isbn>1424407877</isbn><isbn>9781424407880</isbn><isbn>1424407885</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><sourceid>EIF</sourceid><recordid>eNpVkUtPwzAMx8NLbBr7AiChXDl0JE2ax7FMg00aQqJD4lZlTcKK2mbqY9O-PRkbk_DFlv8_27INwC1GI4yRfJxNXp-SUYgQH1ESESzEGRhKLjANKUVcCHQO-jiKREAZji7-aZxceg1JGjDBP3tg2DTfyBuRXhbXoIcFQqGIaB9Uk40qOtXmroLOwnbrYOJsu1W1gQvnigZqo_NMtUbD1kFVwbhrXekLMhhXqtg1efNbuDJwvIBJpqrK1HBWqi8Dk7XnVAHfTeOKbj_jBlxZVTRmePQD8PE8WYynwfztZTaO58GKcNkGfgOODdaMSEOZXhofEWJFlEWIcUItptJmWPnVqRKWI64wi8gyk1pqhiwZgIdD35Uq0nWdl6repU7l6TSep_ucP0bIGOUb7Nn7A7vulqXRJ_zvSB64OwC5MeYkH79CfgD-7Xga</recordid><startdate>20070101</startdate><enddate>20070101</enddate><creator>Torfeh, T.</creator><creator>Beaumont, S.</creator><creator>Guedon, J.-P.</creator><creator>Denis, E.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>1XC</scope><scope>VOOES</scope></search><sort><creationdate>20070101</creationdate><title>Evaluation of two Software Tools dedicated to an Automatic Analysis of the CT Scanner Image Spatial Resolution</title><author>Torfeh, T. ; 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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Automatic control Computed tomography Computer Science Engineering Sciences Fourier transforms Image analysis Image Processing, Computer-Assisted - methods Image quality Signal and Image processing Software Software quality Software tools Spatial resolution Testing Tomography, X-Ray Computed - methods Transfer functions |
| title | Evaluation of two Software Tools dedicated to an Automatic Analysis of the CT Scanner Image Spatial Resolution |
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